Filter element



FIG. 1 is a perspective view from one end of the first embodiment of a filter element showing our new design;

FIG. 2 is a perspective view from the other end thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a perspective view taken from one end of a second embodiment;

FIG. 5 is a perspective view taken from the opposite end thereof; and,

FIG. 6 is a side elevational view thereof.

The broken line showing of interior structure in FIGS. 1 and 2 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a filter element, as shown and described. 